feat: confirm cache entry delete

src/main/java/xyz/atnrch/nicko/gui/ConfirmGUI.java

@@ -0,0 +1,34 @@
+package xyz.atnrch.nicko.gui;
+
+import org.bukkit.Material;
+import org.bukkit.entity.Player;
+import xyz.atnrch.nicko.gui.items.confirm.ActionCallback;
+import xyz.atnrch.nicko.gui.items.confirm.Cancel;
+import xyz.atnrch.nicko.gui.items.confirm.Confirm;
+import xyz.xenondevs.invui.gui.Gui;
+import xyz.xenondevs.invui.item.builder.ItemBuilder;
+import xyz.xenondevs.invui.item.impl.SimpleItem;
+import xyz.xenondevs.invui.window.Window;
+
+public class ConfirmGUI {
+    private final Player player;
+    private final Gui gui;
+
+    public ConfirmGUI(Player player, ActionCallback callback) {
+        this.gui = Gui.normal()
+                .setStructure(
+                        "@ @ @ @ % & & & &",
+                        "@ @ @ @ I & & & &",
+                        "@ @ @ @ % & & & &"
+                )
+                .addIngredient('@', new Confirm(callback))
+                .addIngredient('&', new Cancel(callback))
+                .addIngredient('I', new SimpleItem(new ItemBuilder(Material.PAPER).setDisplayName("§6Select an option").get()))
+                .build();
+        this.player = player;
+    }
+
+    public void open() {
+        Window.single().setGui(gui).setTitle("... > Invalidate > Confirm").open(player);
+    }
+}

src/main/java/xyz/atnrch/nicko/gui/admin/cache/CacheDetailedGUI.java

@@ -8,7 +8,7 @@ import xyz.xenondevs.invui.gui.ScrollGui;
 import xyz.xenondevs.invui.gui.structure.Markers;
 import xyz.xenondevs.invui.item.Item;
 import xyz.atnrch.nicko.NickoBukkit;
-import xyz.atnrch.nicko.gui.items.admin.cache.EntryPlaceholder;
+import xyz.atnrch.nicko.gui.items.admin.cache.CacheEntry;
 import xyz.atnrch.nicko.gui.admin.CacheManagementGUI;
 import xyz.atnrch.nicko.gui.items.common.ScrollDown;
 import org.bukkit.entity.Player;
@@ -34,7 +34,7 @@ public class CacheDetailedGUI {
                 .collect(Collectors.toList());
 
         final List<Item> items = loadedSkins.stream()
-                .map(EntryPlaceholder::new)
+                .map(CacheEntry::new)
                 .collect(Collectors.toList());
 
         final CacheManagementGUI parent = new CacheManagementGUI(player);

src/main/java/xyz/atnrch/nicko/gui/items/admin/cache/CacheEntry.java

@@ -5,14 +5,19 @@ import org.bukkit.entity.Player;
 import org.bukkit.event.inventory.ClickType;
 import org.bukkit.event.inventory.InventoryClickEvent;
 import org.jetbrains.annotations.NotNull;
+import xyz.atnrch.nicko.gui.ConfirmGUI;
+import xyz.atnrch.nicko.gui.admin.cache.CacheDetailedGUI;
+import xyz.atnrch.nicko.gui.items.confirm.ActionCallback;
 import xyz.xenondevs.invui.item.builder.ItemBuilder;
 import xyz.xenondevs.invui.item.builder.SkullBuilder;
 import xyz.xenondevs.invui.item.impl.AsyncItem;
 
 import java.util.UUID;
 
-public class EntryPlaceholder extends AsyncItem {
-    public EntryPlaceholder(String name) {
+public class CacheEntry extends AsyncItem {
+    private final String name;
+
+    public CacheEntry(String name) {
         super(new ItemBuilder(Material.PAINTING).setDisplayName("§7§oLoading..."), () -> {
             final String stringUUID = name.replaceAll("(.{8})(.{4})(.{4})(.{4})(.+)", "$1-$2-$3-$4-$5");
             final UUID uuid = UUID.fromString(stringUUID);
@@ -21,12 +26,24 @@ public class EntryPlaceholder extends AsyncItem {
             skull.addLoreLines("§7Click to invalidate skin");
             return skull;
         });
+        this.name = name;
     }
 
     @Override
     public void handleClick(@NotNull ClickType click, @NotNull Player player, @NotNull InventoryClickEvent event) {
         if (click.isLeftClick() || click.isRightClick()) {
             event.getView().close();
+            new ConfirmGUI(player, new ActionCallback() {
+                @Override
+                public void onConfirm() {
+                    player.sendMessage(name + " cleared");
+                }
+
+                @Override
+                public void onCancel() {
+                    new CacheDetailedGUI(player).open();
+                }
+            }).open();
         }
     }
 }

src/main/java/xyz/atnrch/nicko/gui/items/confirm/ActionCallback.java

@@ -0,0 +1,7 @@
+package xyz.atnrch.nicko.gui.items.confirm;
+
+public interface ActionCallback {
+    void onConfirm();
+
+    void onCancel();
+}

src/main/java/xyz/atnrch/nicko/gui/items/confirm/Cancel.java

@@ -0,0 +1,19 @@
+package xyz.atnrch.nicko.gui.items.confirm;
+
+import org.bukkit.Material;
+import xyz.xenondevs.invui.item.builder.ItemBuilder;
+import xyz.xenondevs.invui.item.impl.SuppliedItem;
+
+public class Cancel extends SuppliedItem {
+    public Cancel(ActionCallback callback) {
+        super(() -> {
+            final ItemBuilder builder = new ItemBuilder(Material.RED_STAINED_GLASS_PANE);
+            builder.setDisplayName("§cCancel");
+            return builder;
+        }, click -> {
+            click.getEvent().getView().close();
+            callback.onCancel();
+            return true;
+        });
+    }
+}

src/main/java/xyz/atnrch/nicko/gui/items/confirm/Confirm.java

@@ -0,0 +1,19 @@
+package xyz.atnrch.nicko.gui.items.confirm;
+
+import org.bukkit.Material;
+import xyz.xenondevs.invui.item.builder.ItemBuilder;
+import xyz.xenondevs.invui.item.impl.SuppliedItem;
+
+public class Confirm extends SuppliedItem {
+    public Confirm(ActionCallback callback) {
+        super(() -> {
+            final ItemBuilder builder = new ItemBuilder(Material.GREEN_STAINED_GLASS_PANE);
+            builder.setDisplayName("§aConfirm");
+            return builder;
+        }, click -> {
+            click.getEvent().getView().close();
+            callback.onConfirm();
+            return true;
+        });
+    }
+}